Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/6811001
Is Reference of Polybutylene terephtalate-en#Sense
Politereftalato di butandiolo-it#Sense
Politereftalato de butilenglicol-es#Sense
Polytéréphtalate de butanediol-fr#Sense
PBTP-nl#Sense
Polybutylenterephtalat-de#Sense
Poly-buteen-tere-ftalaat-nl#Sense